每个工作进程因此都将处理工作数据的副本，越是状态多的应用程序，付出的性能代价越高。
Each worker process, therefore, will handle its own copy of working data, and the more stateful the application, the higher the cost in performance.
不像之前处理的有限能级的情况，而在这里我们有无穷多的状态数。
Unlike the case we treated earlier, where we had a limited number of levels.
传统的鞋旨在保持脚部的稳定，所以肌肉的状态要松弛的多。
Conventional footwear is designed to keep the foot stable so the muscles are more relaxed.
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